What does the expression "5n" represent?

Mathematics

1 answer:

Andre45 [30]3 years ago

4 0

Answer:

the product of 5 and a number

Step-by-step explanation:

$5n$ is really $5 * n$ .

In higher education math, the multiplication sign is not used. A number and a variable (or a equation in grouping symbols) would be just together next to each other. When it's like this, you would have to multiply the numbers.

Example:

$4n; n = 2\\4(2) = 4* 2 = 8$

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Evaluate the expression

fgiga [73]

Simplify the following:
2^3 (4×36/12 + 1/4)

4×36/12 = (4×36)/12:
2^3 ((4×36)/12 + 1/4)
2^3 = 2×2^2:
2×2^2 ((4×36)/12 + 1/4)
2^2 = 4:
2×4 ((4×36)/12 + 1/4)
2×4 = 8:
8 ((4×36)/12 + 1/4)
36/12 = (12×3)/12 = 3:
8 (4×3 + 1/4)
4×3 = 12:
8 (12 + 1/4)
Put 1/4 + 12 over the common denominator 4. 1/4 + 12 = 1/4 + (4×12)/4:
8 1/4 + (4×12)/4
4×12 = 48:
8 (1/4 + 48/4)
1/4 + 48/4 = (1 + 48)/4:
8 (1 + 48)/4
1 + 48 = 49:
8×49/4

8×49/4 = (8×49)/4:
(8×49)/4
8/4 = (4×2)/4 = 2:
2×49
2×49 = 98:
Answer: 98

4 0

4 years ago

I need help with this problem :)

klasskru [66]

Answer:

$48 \times \frac{8}{2} 6$